make haskey less specific

Alexander-Barth · Alexander-Barth · commit 16d30ccd37a1 · 2024-02-15T22:43:04.000+01:00
diff --git a/src/dataset.jl b/src/dataset.jl
@@ -169,7 +169,7 @@ function Base.setindex!(ds::AbstractDataset,data::AbstractVariable,varname::Symb
 end
 
 
-function Base.haskey(ds::AbstractDataset,varname::SymbolOrString)
+function Base.haskey(ds::AbstractDataset,varname)
     return Symbol(varname) in Symbol.(keys(ds))
 end
 
